18297398

素因数分解:

$2^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{251}}^1$

素因数の和:428

約数の個数: 32

約数和(自身を含む): 32514048

約数和(自身を除く): 14216650

約数列:

[1, 2, 7, 14, 41, 82, 127, 251, 254, 287, 502, 574, 889, 1757, 1778, 3514, 5207, 10291, 10414, 20582, 31877, 36449, 63754, 72037, 72898, 144074, 223139, 446278, 1306957, 2613914, 9148699, 18297398]

約数ペア:

[(1, 18297398), (2, 9148699), (7, 2613914), (14, 1306957), (41, 446278), (82, 223139), (127, 144074), (251, 72898), (254, 72037), (287, 63754), (502, 36449), (574, 31877), (889, 20582), (1757, 10414), (1778, 10291), (3514, 5207)]